The purpose of this paper is to fabricate high quality and low-loss graded-index polymer optical fibers.
本文以制备质量好、传输损耗低的梯度折射率塑料光纤为目的。
Ultra fast low-loss controlled avalanche rectifier. Repetitive peak reverse voltage 150 V. Average forward current 2.4 A.
超快速低损耗控制雪崩整流。重复峰值反向电压150V的平均正向电流2.4A。
Since the novel low-loss passive snubber circuit is used, the low current and voltage stress, low energy loss and high efficiency properties are achieved.
由于采用了一种新型的低损耗无源缓冲电路，开关管和主二极管的电流电压应力较小，并降低了能量损耗，提高了工作效率。
This paper describes the hybrid-construction PCB were fabricated by the FR-4 laminate and high performance low-loss prepreg to achieve lower signal crosstalk and permit lower cost.
综述了采用低成本的常规FR - 4层压板芯材和低介电常数高性能的半固化片形成的混合结构印制板，它具有较低的信号串扰和较低的成本。
The removal of dams remains controversial because of high restoration costs, loss of low-cost electricity, and the loss of water storage facilities.
大坝的拆除仍然存在争议，因为高重建成本，损失低成本电力，以及损失蓄水设施。
The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.
给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
Low loss connection of fiber optic rotary is realized by direct coupling of fiber, which is photon crystal fiber (PCF).
该设计以光子晶体光纤为基础，采用直接耦合的方法实现低损耗的光纤旋转连接。
The feasibility and practicality of the controller are further verified in the low loss high frequency feedback power supply.
通过该控制器在低损耗高频反激电源中的应用进一步证明了它的可行性和实用性。
The radiating element of array antenna is air dielectric microstrip patch antenna, which has high efficiency, and the feed network is low loss air strip, which can reduce the loss of the feed line.
阵列天线辐射单元采用空气介质的微带贴片天线，辐射效率高；阵列天线的馈线网络采用低损耗的空气带状线形式，降低了馈线损耗。
In order to increase the irradiation power density of local view point, the low loss Teflon microwave lens focusing energy of microwave is used near the irradiating horn.
为了提高局部观察点的辐照功率密度，在辐照喇叭口采用了低损耗聚四氟乙烯微波透镜以聚焦微波能量。
A new scalar method of measurement for low loss film medium is presented based on electric properties of measured medium under the present condition of laboratory.
依据被测介质性质，在现有实验设备条件下，提出了一种标量法测量低损耗薄膜介质介电常数的新方法。
One of the development trends of microwave YIG polycrystalline ferrite material is wide band, low loss and high power material.
微波yig多晶铁氧体材料的发展趋势之一是宽频带、低损耗、高功率材料。
A high temperature open resonator measuring system for low loss radome materials is introduced.
介绍了一种测量低损耗天线罩材料的开腔高温自动测量系统。
RESULTS The measuring accuracy of low loss and high loss dielectric materials was high, and measuring errors were low.
结果对低损耗和高损耗介质的测量精度都较高，测量误差较小。
Specially, the photonic crystal waveguides based on SOI(silicon on insulator) are paid much attention to due to their miniaturization and low loss.
特别是以SOI材料为基础的光子晶体光波导以其小型化、低损耗的优势而备受人们的关注。
SAW 3-phase unidirectional transducers offering advantages of. low loss and wide bandwidth (30%) have great difficulty in adjustment.
三相单向换能器具有损耗小，带宽大(30%)等优点，但是这种换能器的调整较困难。
The key of realizing the application in radar system shown in theories and tests is to carry out miniature optical terminal units which have low loss, low noise and large dynamic range.
理论分析和实验表明，制成低损耗、低噪声、大动态范围的小型化光端机是实现雷达系统应用的关键。
The article first Outlines the origin of low loss SAW filters and a number of techniques for the realization of such filters are compared.
本文首先简述了低损耗SAW滤波器的由来，比较了几种实现低损耗滤波器的方法。
Auailable Bit Rate (ABR) Service can make most effective use of ATM networks resources. LANS can achieve interworking of high throughput and low loss through WAN as well.
业务可以提高AT M网络的利用率，能让用户LAN通过广域网进行高吞吐量、低丢失率的互通。
It demonstrates that optical remote sensing of inflammable, explosive and pollution gas such as CH_4 is possible by using extremely low loss optical fiber.
也证明了利用超低损耗光纤远距离传感有害，有毒，易爆气体(如CH_4)的可能性。
The air stripline feeding network is featured with low loss, high power capacitance, and it is easy to control its amplitude and phase.
空气板线馈电网络具有损耗小、耐功率高、幅相控制容易等特点而广泛应用于平面阵列天线中。
So, the thesis adopts a type of low loss DSP processor as main controller which composing the control and fault feeder detection system based on DSP in order to deal with the question.
因此论文采用了低功耗的数字信号处理器作为主控芯片，构成一种基于数字信号处理器的控制与选线系统。
The passivating agent used in experiment was less pollution to environment, low cost and low loss of active magnesium.
试验中采用的钝化剂具有对环境污染小、成本低、活性镁损失小等特点。
Compared with traditional phase shifter, MEMS phase shifter has many advantages, such as, broadband, low loss, low cost, miniaturization, circuit integration.
与传统的移相器相比，MEMS移相器具有频带宽、损耗低、成本低、微型化、易于集成等优点，在微波电路中具有广泛应用前景。
The passivating agent used in the experiment was low cost and low loss of active magnesium.
试验中采用的钝化剂具有成本低、活性镁损失小等特点。
The measurement results of complex dielectric constants of low loss and thin flake materials, conductivity and nonequilibrium charge carrier lifetime of semiconductor are introduced.
介绍了测量片状小损耗介质介电常数、半导体电导率及非平衡载流子寿命等参数的结果。
The ultra-low loss films is widely used in optical instruments.
超低损耗薄膜在光学仪器中得到了越来越广泛的应用。
The ultra-low loss films is widely used in optical instruments.
超低损耗薄膜在光学仪器中得到了越来越广泛的应用。
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